The world famous Wonder Sausage is on show in Butch Butcher's shop. Walter realises the sausage has a strange hypnotic effect on Gnasher so uses it to make him perform his every whim! Dennis can't understand why Gnasher has turned against him and has to use all his heartfelt pleas and happy memories to try and win Gnasher back.

Rubi worries that her dad is lonely, so the gang try to find Professor von Screwtop a girlfriend! Dr Pfooflepfeffer seems the perfect match, or does she really only want him for his atomic toaster?